SEM Classic Coat Leather & Vinyl Color Restorer Aerosol – Very Dark Pewter (GM 642H), 16oz

Faded or mismatched interior trim doesn’t always mean a full reupholstery job. SEM’s Classic Coat is a line of OEM color-matched aerosols built specifically to renew or restore the color of leather, vinyl, and plastic interior surfaces — this listing is the Very Dark Pewter shade, matched to GM color code 642H (WA642H). Applied in 2–3 light coats with a 5–10 minute wait between coats, it’s formulated for superior adhesion and flexibility so it won’t crack or peel on surfaces that flex — a common failure point for ordinary spray paint used on vinyl or leather. Full cure takes 24 hours at 70°F (21°C); avoid heavy use or abrasion during that window even though the surface will feel dry sooner. Proper surface prep matters for how well this adheres: clean with SEM Soap and a scuff pad, then a dedicated prep product (Vinyl Prep for vinyl, or Plastic & Leather Prep for leather) before applying. Skipping prep is one of the most common reasons a coating like this underperforms. A practical care note, directly from the manufacturer and echoed in real customer feedback: shake the can vigorously for a full minute after the mixing ball starts rattling, and spray the can upside-down for a few seconds after each use to clear the tip. One verified buyer reported the nozzle clogging mid-project on their can — the manufacturer’s own clog-prevention steps (and clearing a stuck tip with SEM’s XXX Universal Gun Cleaner, rather than a pin or other object) are worth following closely to avoid the same issue. Key Features & Benefits Feature Why It Matters Benefit OEM color-matched (GM 642H Very Dark Pewter) Mismatched interior color is an obvious, hard-to-fix mistake Confidence you’re ordering the exact factory shade Flexible, crack- and peel-resistant formula Vinyl and leather flex with seat movement and temperature changes A finish that holds up on surfaces that bend, unlike rigid paints Fast recoat (5–10 min between coats) Lets you build full coverage in one sitting Faster project turnaround Works on leather, vinyl, and plastic trim Interiors mix multiple materials One product for several surfaces in the same colour Clog-prevention steps built into use instructions Aerosol nozzles are a common failure point for textured/thick coatings Following the shake/clear routine reduces the risk of a ruined can mid-job Product Highlights OEM-matched GM interior color: Very Dark Pewter (642H / WA642H) Flexible coating that resists cracking and peeling Applies in 2–3 light coats, 5–10 minutes apart Works on leather, vinyl, and plastic interior trim Full cure in 24 hours at 70°F (21°C) ~10 sq. ft. coverage per can Use Cases Restoring faded leather or vinyl seats, door panels, or dash trim to original color Color-matching a repaired or replaced vinyl/leather panel to the rest of the interior Refreshing plastic interior trim alongside leather/vinyl for a consistent interior color OEM-accurate interior restoration on GM vehicles using this specific color code Who Is This For GM vehicle owners restoring an interior finished in Very Dark Pewter (642H/WA642H) DIYers and upholstery/restoration shops needing an OEM-accurate, flexible interior coating rather than a rigid general-purpose spray paint Not intended for exterior body panels or rigid plastic parts outside the interior — this is formulated specifically for leather, vinyl, and interior trim Buyers comfortable following a proper prep routine (cleaning + scuffing + prep product) before spraying, since skipping prep affects adhesion